Modelling a flow of a highly viscous liquid with the boundary layer of low viscosity in an extruder

被引：0
作者：
A. B. Golovanchikov
A. A. Shagarova
N. A. Dul’kina
I. M. Shandybina
机构：
[1] Volgograd State Technical University,
来源：
Russian Journal of Applied Chemistry | 2007年 / 80卷
关键词：
Boundary Layer; Viscous Liquid; Main Stream; Cylinder Wall; Lubricant Layer;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Features of the flow of a highly viscous liquid in an extruder with boundary layer of low viscosity liquid at the cylinder wall and at the endless screw surface are considered. The liquid flow is modeled under conditions of isothermal simple shift using cylindrical model of a screw canal. The profiles of rates for the stream of a highly viscous liquid with the ring boundary layer of low-viscous liquid at the cylinder wall and at screw in the both presence and absence of a counter pressure are calculated. Consideration of computer calculations shows that increase in the flow rate is possible when the counter pressure tends to zero and the low-viscous liquid forms a ring boundary layer at the cylinder wall.
引用
收藏
页码：1989 / 1992
页数：3
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